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Finding the Fourth Proportional to 496,379.22, 684,775.81 and 292,332.46

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Solution

The fourth proportional to 496,379.22, 684,775.81 and 292,332.46 is: 403,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,379.22 : 684,775.81 = 292,332.46 : x
  2. Step 2: Convert to fraction form
    496,379.22/684,775.81 = 292,332.46/x
  3. Step 3: Cross multiply
    496,379.22x = 684,775.81 × 292,332.46
  4. Step 4: Simplify right side
    496,379.22x = 200,182,195,624.13
  5. Step 5: Solve for x
    x = 200,182,195,624.13/496,379.22
  6. Step 6: Final answer
    x = 403,284.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.